The butterfly valve can be driven by handles, turbines, sprocket wheels, electric and pneumatic, and the sprocket is suitable for manual operation at high altitude.
Chainwheel actuator(Single-stage)
This product is characterized by small size,light weight,large output torque,rational structure,easy to operate and having reliably selflatching capacity.It is suitable to control the 90°rotary butterfly valve,ball valve,cock valve and regulating valve,etc.

Model | Spec | D | L1 | L2 | A | H | Chain length |
3D-15 | DN50-150(2″-6″) | 200 | 101 | 159 | 180 | 34 | As required |
3D-50 | DN200(8″) | 290 | 194 | 237 | 270 | 42 | |
3D-50 | DN250(10″) | 290 | 194 | 237 | 270 | 42 | |
3D-120 | DN300(12″) | 290 | 184 | 227 | 270 | 40.5 | |
3D-120 | DN250(14″) | 290 | 184 | 227 | 270 | 40.5 | |
3D-250 | DN400(16″) | 410 | 235 | 278 | 380 | 60.5 |